Plant Productions

The Effect of Ascorbic Acid and Sodium Nitroprusside Foliar Application on Photosynthetic Pigments and Some Traits of Spring Safflower under Water Deficit Stress

S. Arab; M. Baradaran Firouzabadi; H.R. Asghari

Volume 38, Issue 4 , March 2016, , Pages 93-104

https://doi.org/10.22055/ppd.2016.11845

Abstract

Abstract Nowadays, the application of antioxidants and plant growth regulators is assumed to decrease the negative effect of different stresses. Ascorbic acid and Sodium nitroprusside ... Read More

Evaluation of water deficit stress tolerance induced by seed priming in wheat (Triticum aestivum L.) cultivars

A. Eivazi; A. Najafi Par; S.H. Mousavi Anzabi; H. Ranji

Volume 36, Issue 3 , December 2013, , Pages 1-12

Abstract

To evaluate the effects of seed priming on inducing of water stress tolerance, an experiment was carried out under laboratory and field conditions in Satloo station of Agricultural ... Read More To evaluate the effects of seed priming on inducing of water stress tolerance, an experiment was carried out under laboratory and field conditions in Satloo station of Agricultural and Natural Resources Research Center in West Azerbaijan province at 2008-9 seasons. A factorial experiment was formed, with the first factor including four cultivars Zarrin and Shahriar (irrigated cultivars), Sardary and Azar (rainfed cultivars) and the second factor, hydro-priming, osmotic solutions (10% polyethylene glycol (8000), 2.5% KCL, 5% NaCl, 10% Urea, 4/0% Micro nutrient), plant growth regulators (1000 ppm Cycocel and 20 ppm Auxin) and non priming as a control. Treatments were arranged at laboratory in Completely Randomized Design and two separate experiments with Randomized Blocks Design under normal and water stress at field conditions with five replications. Irrigation was held at booting stage in water stress experiment. Results of analysis of variance showed that there were statistically significant differences for traits of plumule and radical lenghts and their dry weights, grain yield and its components, total dry matter and relative water content of lage feaf (P≤0.05). Pretreatment of Cycocel was allocated maximum plumule (17.8cm) and radical (17.2cm) lenghts and their dry weights (8.0 and 11.5mg, respectively). All priming treatments at four cultivars had more grain yield than control and at plant growth regulators were dominant and the highest variation percentage. Total dry matter (-10.7%), grain yield (-4.0%) and relative water content (-9.3%) at seed priming with potassium cholride had the lowest variation percentage under water stress than normal conditions. This pretreatment increased spike per squar meter in Shariar, Zarrin and Azar. Within cultivars, Azar with 0.89 susceptibility index was the most tolerance to drought stress. Traits of total dry matter, grain per spike and spike per squar meter observed positive significant correlations with grain yield at seed priming treatments, 0.91**, 0.92** and 0.79*, respectively. It seems that these traits could be used as an indirect criterion for selection of cultivars with high grain yield.

The effects of different levels of sodium chloride and mycorrhizal colonization on growth, P, K and Na uptake by saffron (Crocus sativus L.)

H. Nadian; M. Heidari; M.H. Gharineh; M.H. Daneshvar

Volume 36, Issue 2 , September 2013, , Pages 49-59

Abstract

The effect of different levels of salinity arising from sodium chloride on plant growth parameters, phosphorus, potassium and sodium uptake by saffron plant with and without mycorrhiza ... Read More

Comparison of wheat cultivars using indices of tolerance and susceptibility to terminal heat stress in Ahvaz

Ali Moshattati; S.A. Siadat; Kh. Alami-Saeid; A.M. Bakhshandeh; M.R. Jalal-Kamali

Volume 36, Issue 2 , September 2013, , Pages 61-73

Abstract

Many indices have been introduced to compare of tolerance and susceptibility of field crops to environmental stresses. In order to compare spring bread wheat cultivars using indices ... Read More

The evaluation of some physiological and biochemical variations of salt water irrigation tolerance in three canola genotypes

F Tahmasebi; P. Hassibi; M. Meskarbashee

Volume 36, Issue 2 , September 2013, , Pages 75-86

Abstract

The study of biochemical and physiological variations under salinity stress conditions may provide a means to understand effective factors in salinity stress conditions. In order to ... Read More

Effects of various periods of water logging surface stress in the different growth stages on yield and yield components of barley (Hordeum vulgare L.) under Khuzestan environment

M. Khalafi; M.H. Gharineh; A. Bakhshandeh; E. Lakzadeh; G. Fathi

Volume 36, Issue 2 , September 2013, , Pages 87-97

Abstract

In order to study the effects of different levels of water logging at different growth stages on yield and yield components of barley WB-79-10, a field experiment was carried out using ... Read More

Quantity and quality improving of soybean yield by zinc and iron foliar application under drought stress

M. Jalili Sheshbahre; M. Movahhedi Dehnavi; S.M. Hashemi jazi

Volume 36, Issue 2 , September 2013, , Pages 111-122

Abstract

In order to study the effect of foliar application of zinc and iron on yield quantity and quality of Soybean (Glycine max (L.)) under drought stress, an experiment was carried out as ... Read More

The evaluation of water deficit effect on grain yield and physiological characteristics of three canola (Brassica napus L.) cultivars

S.M. Hoseini; P. Hassibi; B. Andarzian

Volume 36, Issue 1 , June 2013, , Pages 13-24

Abstract

To investigate water deficit stress influence on stem elongation, flowering stage and some physiological characters of three canola (Brassica napus) cultivars including total ... Read More To investigate water deficit stress influence on stem elongation, flowering stage and some physiological characters of three canola (Brassica napus) cultivars including total dry matter, grain yield, total soluble sugars and starch, proline and osmotic potential this study was carried out in the green house of Shahid Chamran University of Ahvaz in 2008-2009 growing season. The experiment was factorial based on complete randomized design arrangement in three replications. The first factor comprised cultivars (including Hyola 308, Hyola 401 and RGS003) and the second factor was water deficit stress including water deficit in the early stem elongation to early-flowering stage (D1), early-flowering stage to early sac appearance (D2), early stem elongation to early sac appearance (D3) and normal irrigation conditions (D4). The results showed that the lowest and the highest reduction in shoot dry matter and grain yield was measured in Hyola 401 and Hyola308, respectively. The lowest shoot dry matter was in Hyola 308 (from the early stem elongation to early sac emergence stages) (22 grams per plant) and the highest shoot dry matter was in Hyola 401 (74 grams per plant) in normal conditions. In the stress conditions, shoot dry matter in all cultivars decreased. The amount of reduction during the flowering stage was more than early stem elongation stage showing more sensitivity of flowering stage to the stem elongation stage in water deficit stress. The interaction of water stress and variety showed significant differences in total soluble sugar, starch, proline, osmotic potential (P≤ 0.01), shoots dry matter and grain yield (P≤ 0.05). Furthermore, in the stress conditions participation in osmotic regulation process and reduction of negative effects of water deficit stress increased the amount of the total soluble sugars and proline of leaves. The lowest leaf osmotic potential (-2.23 Mpa) and the highest osmotic potential (-1.65 Mpa) were determined in Hyola 401, and Hyola 308 for D3 and D4 respectively. Decrease (become more negative) of osmotic potential because of more tolerance of Hyola 401 to water deficit stress was also assessed. According to the results of this study, Hyola 401, RGS003 and Hyola 308 were assessed for tolerance, semi tolerance and susceptibility to water deficit stress respectively.

Effects of biological and chemical phosphorus fertilizers on growth analysis of maize S.C. 704 with different irrigation regimes

A.A. Koliaei; G. Akbari; A. Rahnama; O. Armandpisheh; M.R. Labbafi Hossianabadi

Volume 36, Issue 1 , June 2013, , Pages 79-88

Abstract

In order to study the influence of various irrigation regimes (drought stress), biological fertilizers (a combination of two Phosphate-solubilizing microorganisms) and different ... Read More

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Main Subjects = A: Biotic and Abiotis Stress

The Effect of Ascorbic Acid and Sodium Nitroprusside Foliar Application on Photosynthetic Pigments and Some Traits of Spring Safflower under Water Deficit Stress

Abstract

Evaluation of water deficit stress tolerance induced by seed priming in wheat (Triticum aestivum L.) cultivars

Abstract

The effects of different levels of sodium chloride and mycorrhizal colonization on growth, P, K and Na uptake by saffron (Crocus sativus L.)

Abstract

Comparison of wheat cultivars using indices of tolerance and susceptibility to terminal heat stress in Ahvaz

Abstract

The evaluation of some physiological and biochemical variations of salt water irrigation tolerance in three canola genotypes

Abstract

Effects of various periods of water logging surface stress in the different growth stages on yield and yield components of barley (Hordeum vulgare L.) under Khuzestan environment

Abstract

Quantity and quality improving of soybean yield by zinc and iron foliar application under drought stress

Abstract

The evaluation of water deficit effect on grain yield and physiological characteristics of three canola (Brassica napus L.) cultivars

Abstract

Effects of biological and chemical phosphorus fertilizers on growth analysis of maize S.C. 704 with different irrigation regimes

Abstract